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Near-infrared spectroscopy (also referred to as near-IR spectroscopy or NIRS) is a spectroscopic technique that focuses its attention on the near-infrared region of the electromagnetic spectrum - 780 to 2500 nm. Video Credit: Metrohm Middle East FZC Near-IR spectroscopy belongs to the group of vibrational spectroscopy techniques, along with mid-infrared spectroscopy (primarily FT-IR) and Raman spectroscopy. The first near-IR spectrometers were developed in the 1980s, initially being designed fo...